Ford 4L3Z-18124-BB Shock Absorber Assembly

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To replace the shock absorber/coil spring assembly, loosen the front wheel lug nuts and raise the vehicle. Remove the front wheels and the nuts attaching the shock's upper end to the frame. Detach the tie-rod end from the steering knuckle. Remove the fasteners attaching the shock's lower end to the lower control arm. Inspect the shock absorber, coil spring, and spring seats for damage. If needed, service the unit or replace it. To install the new assembly, reverse the removal steps and tighten all fasteners. Note: replacing individual components may require a repair shop and could be more costly.

To assess the condition of shock absorbers, follow these steps: Park the vehicle on level ground, turn off the engine, and set the parking brake. Check tire pressures to ensure they are at the recommended levels. Push down on each corner of the vehicle and observe its movement and rebound. Properly functioning shock absorbers should bring the vehicle to a rest in a level position within one or two bounces. Repeat this check for all four corners of the vehicle. While the vehicle is raised on jackstands, inspect the shock absorbers for fluid leakage and ensure they are securely mounted and undamaged. If fluid leakage is detected, replace the shocks as a set.

Place a floor jack under the axle near the shock absorber being removed and raise it slightly to relieve the load on the shock absorber.